/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller.post;

import java.io.IOException;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import model.fbComment;
import model.fbPost;
import model.fbSession;
import model.pojo.Comment;
import model.pojo.Post;

/**
 *
 * @author Yasith
 */
public class postListing extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        List<Post> posts = fbPost.getPosts(
                Integer.valueOf(this.getServletContext().getInitParameter("PostListingsPostCount")));
        request.setAttribute("posts", posts);

        HashMap<Post, Collection<Comment>> commentsPostsMap = new HashMap<Post, Collection<Comment>>();
        for (Post p : posts) {
            commentsPostsMap.put(p, fbComment.getComments(p));
        }

        if (request.getSession().getAttribute("fbSession") != null) {
            fbSession fbs = (fbSession) request.getSession().getAttribute("fbSession");
            request.setAttribute("cu", fbs.getUser());
        }
        
        request.setAttribute("commentsPostsMap", commentsPostsMap);
        request.getRequestDispatcher("postlisting.jsp").forward(request, response);
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     */
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
